Premium Design: The dual sensor anti barking device can emit two different types of ultrasonic waves, training mode at 22Khz and chaser mode at 26Khz, to avoid dogs getting used to simple frequencies, with an effective range of 33ft.
eBay
Whether you're dealing with excessive barking or teaching your dog new skills, it provides effective support to help your pet adapt to training more quickly and improve the quality of interaction between your pet and you.
eBay
They're safe for dogs 5-120 lbs, from 6 months to 8 years old. The ergonomic design fits nicely in your hand, while a carabiner lets you take this ultrasonic dog bark deterrent anywhere. It has sound and ultrasonic modes with a frequency of 25 kHz that's hard for humans to hear.
eBay
Can be hung on trees, indoor, outdoor walls or fences to prevent dogs from barking (in range). Ultrasonic anti-barking device can automatically detect dog barking from 50 feet away. There are 4 frequencies for ultrasonic waves to choose from.
eBay
【4 Modes for Every Scenario】The stop dog barking device features 4 training modes for wide application: Sound Mode: Uses an audible alert for gentle, non -harsh correction. Ultrasonic Mode: Emits 25kHz fixed or 25–30kHz variable frequencies (inaudible to humans, detectable by dogs).
eBay
Item: Ultrasonic doubl e head Dog Repeller. 1 x Ultrasonic double head Dog Repeller. Banish dog: Slide the function switch to the last site and aim at the mad dog, press the BEAM button, the dog will run away.
eBay
The ICLOVERFOREVER Ultrasonic Dog Bark Deterrent Device is a rechargeable anti-barking control training aid designed for all dog breeds. The device operates using ultrasonic technology to emit high-frequency sounds that deter barking, helping to train your dog to be quieter. With features such as LED lights, weatherproof design, and triple sonic emitters, this device is a reliable and effective tool for controlling your dog's barking behavior. D4
eBay
L Used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf. l Ultrasonic wave reaches up to 125db. Audible to dogs but not to human. l 1x ultrasonic dog chaser. l Can also be used as dog training device.
eBay